The Slim Swivel Coupler is a lightweight and low profile professional coupler, constructed from high tensile aluminum extrusion. It has been developed for installations where load capacities of up to 600 lbs (300kg) are required. The KUPO professional couplers combine strength and durability with a high degree of safety. The Slim Swivel Coupler is designed to fit tubes with diameters between 48mm-51mm. For quick and easy interconnection for truss, pipes or bars. Allows for a full 360 degrees of movement. A drift pin is also supplied for fixing in a 90 degree configuration. It has a black finish.